91 files changed, 266 insertions, 313 deletions

diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 181ef1ead5b8..80a72c75214f 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -163,8 +163,7 @@ static struct locomo_dev_info locomo_devices[] = {
 #define LOCOMO_IRQ_LT_START     (IRQ_LOCOMO_LT)
 #define LOCOMO_IRQ_SPI_START    (IRQ_LOCOMO_SPI_RFR)
 
-static void locomo_handler(unsigned int irq, struct irqdesc *desc,
-                        struct pt_regs *regs)
+static void locomo_handler(unsigned int irq, struct irqdesc *desc)
 {
         int req, i;
         struct irqdesc *d;
@@ -182,7 +181,7 @@ static void locomo_handler(unsigned int irq, struct irqdesc *desc,
                 d = irq_desc + irq;
                 for (i = 0; i <= 3; i++, d++, irq++) {
                         if (req & (0x0100 << i)) {
-                                desc_handle_irq(irq, d, regs);
+                                desc_handle_irq(irq, d);
                         }
 
                 }
@@ -218,15 +217,14 @@ static struct irq_chip locomo_chip = {
         .unmask = locomo_unmask_irq,
 };
 
-static void locomo_key_handler(unsigned int irq, struct irqdesc *desc,
-                            struct pt_regs *regs)
+static void locomo_key_handler(unsigned int irq, struct irqdesc *desc)
 {
         struct irqdesc *d;
         void __iomem *mapbase = get_irq_chipdata(irq);
 
         if (locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC) & 0x0001) {
                 d = irq_desc + LOCOMO_IRQ_KEY_START;
-                desc_handle_irq(LOCOMO_IRQ_KEY_START, d, regs);
+                desc_handle_irq(LOCOMO_IRQ_KEY_START, d);
         }
 }
 
@@ -264,8 +262,7 @@ static struct irq_chip locomo_key_chip = {
         .unmask = locomo_key_unmask_irq,
 };
 
-static void locomo_gpio_handler(unsigned int irq, struct irqdesc *desc,
-                             struct pt_regs *regs)
+static void locomo_gpio_handler(unsigned int irq, struct irqdesc *desc)
 {
         int req, i;
         struct irqdesc *d;
@@ -280,7 +277,7 @@ static void locomo_gpio_handler(unsigned int irq, struct irqdesc *desc,
                 d = irq_desc + LOCOMO_IRQ_GPIO_START;
                 for (i = 0; i <= 15; i++, irq++, d++) {
                         if (req & (0x0001 << i)) {
-                                desc_handle_irq(irq, d, regs);
+                                desc_handle_irq(irq, d);
                         }
                 }
         }
@@ -328,15 +325,14 @@ static struct irq_chip locomo_gpio_chip = {
         .unmask = locomo_gpio_unmask_irq,
 };
 
-static void locomo_lt_handler(unsigned int irq, struct irqdesc *desc,
-                           struct pt_regs *regs)
+static void locomo_lt_handler(unsigned int irq, struct irqdesc *desc)
 {
         struct irqdesc *d;
         void __iomem *mapbase = get_irq_chipdata(irq);
 
         if (locomo_readl(mapbase + LOCOMO_LTINT) & 0x0001) {
                 d = irq_desc + LOCOMO_IRQ_LT_START;
-                desc_handle_irq(LOCOMO_IRQ_LT_START, d, regs);
+                desc_handle_irq(LOCOMO_IRQ_LT_START, d);
         }
 }
 
@@ -374,8 +370,7 @@ static struct irq_chip locomo_lt_chip = {
         .unmask = locomo_lt_unmask_irq,
 };
 
-static void locomo_spi_handler(unsigned int irq, struct irqdesc *desc,
-                            struct pt_regs *regs)
+static void locomo_spi_handler(unsigned int irq, struct irqdesc *desc)
 {
         int req, i;
         struct irqdesc *d;
@@ -388,7 +383,7 @@ static void locomo_spi_handler(unsigned int irq, struct irqdesc *desc,
 
                 for (i = 0; i <= 3; i++, irq++, d++) {
                         if (req & (0x0001 << i)) {
-                                desc_handle_irq(irq, d, regs);
+                                desc_handle_irq(irq, d);
                         }
                 }
         }
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index 30046ad41ced..d5f72010a6f3 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -147,7 +147,7 @@ void __init sa1111_adjust_zones(int node, unsigned long *size, unsigned long *ho
  * will call us again if there are more interrupts to process.
  */
 static void
-sa1111_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+sa1111_irq_handler(unsigned int irq, struct irqdesc *desc)
 {
         unsigned int stat0, stat1, i;
         void __iomem *base = get_irq_data(irq);
@@ -162,17 +162,17 @@ sa1111_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
         sa1111_writel(stat1, base + SA1111_INTSTATCLR1);
 
         if (stat0 == 0 && stat1 == 0) {
-                do_bad_IRQ(irq, desc, regs);
+                do_bad_IRQ(irq, desc);
                 return;
         }
 
         for (i = IRQ_SA1111_START; stat0; i++, stat0 >>= 1)
                 if (stat0 & 1)
-                        handle_edge_irq(i, irq_desc + i, regs);
+                        handle_edge_irq(i, irq_desc + i);
 
         for (i = IRQ_SA1111_START + 32; stat1; i++, stat1 >>= 1)
                 if (stat1 & 1)
-                        handle_edge_irq(i, irq_desc + i, regs);
+                        handle_edge_irq(i, irq_desc + i);
 
         /* For level-based interrupts */
         desc->chip->unmask(irq);
diff --git a/arch/arm/common/sharpsl_pm.c b/arch/arm/common/sharpsl_pm.c
index f412dedda684..605dedf96790 100644
--- a/arch/arm/common/sharpsl_pm.c
+++ b/arch/arm/common/sharpsl_pm.c
@@ -258,7 +258,7 @@ static void sharpsl_ac_timer(unsigned long data)
 }
 
 
-irqreturn_t sharpsl_ac_isr(int irq, void *dev_id, struct pt_regs *fp)
+irqreturn_t sharpsl_ac_isr(int irq, void *dev_id)
 {
         /* Delay the event slightly to debounce */
         /* Must be a smaller delay than the chrg_full_isr below */
@@ -293,7 +293,7 @@ static void sharpsl_chrg_full_timer(unsigned long data)
 /* Charging Finished Interrupt (Not present on Corgi) */
 /* Can trigger at the same time as an AC staus change so
    delay until after that has been processed */
-irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id, struct pt_regs *fp)
+irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id)
 {
         if (sharpsl_pm.flags & SHARPSL_SUSPENDED)
                 return IRQ_HANDLED;
@@ -304,7 +304,7 @@ irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id, struct pt_regs *fp)
         return IRQ_HANDLED;
 }
 
-irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id, struct pt_regs *fp)
+irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id)
 {
         int is_fatal = 0;
 
diff --git a/arch/arm/common/time-acorn.c b/arch/arm/common/time-acorn.c
index 3f60dd9aca80..34038eccbba9 100644
--- a/arch/arm/common/time-acorn.c
+++ b/arch/arm/common/time-acorn.c
@@ -67,10 +67,10 @@ void __init ioctime_init(void)
 }
 
 static irqreturn_t
-ioc_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+ioc_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
-        timer_tick(regs);
+        timer_tick();
         write_sequnlock(&xtime_lock);
         return IRQ_HANDLED;
 }
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index 3e14b1348c0b..b27513a0f11e 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -567,7 +567,7 @@ static void ecard_check_lockup(struct irqdesc *desc)
 }
 
 static void
-ecard_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+ecard_irq_handler(unsigned int irq, struct irqdesc *desc)
 {
         ecard_t *ec;
         int called = 0;
@@ -586,7 +586,7 @@ ecard_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
 
                 if (pending) {
                         struct irqdesc *d = irq_desc + ec->irq;
-                        desc_handle_irq(ec->irq, d, regs);
+                        desc_handle_irq(ec->irq, d);
                         called ++;
                 }
         }
@@ -609,7 +609,7 @@ static unsigned char first_set[] =
 };
 
 static void
-ecard_irqexp_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+ecard_irqexp_handler(unsigned int irq, struct irqdesc *desc)
 {
         const unsigned int statusmask = 15;
         unsigned int status;
@@ -633,7 +633,7 @@ ecard_irqexp_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *reg
                          * Serial cards should go in 0/1, ethernet/scsi in 2/3
                          * otherwise you will lose serial data at high speeds!
                          */
-                        desc_handle_irq(ec->irq, d, regs);
+                        desc_handle_irq(ec->irq, d);
                 } else {
                         printk(KERN_WARNING "card%d: interrupt from unclaimed "
                                "card???\n", slot);
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 2e1bf830fe11..2c4ff1cbe334 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -111,6 +111,7 @@ static struct irq_desc bad_irq_desc = {
  */
 asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
 {
+        struct pt_regs *old_regs = set_irq_regs(regs);
         struct irqdesc *desc = irq_desc + irq;
 
         /*
@@ -122,12 +123,13 @@ asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
 
         irq_enter();
 
-        desc_handle_irq(irq, desc, regs);
+        desc_handle_irq(irq, desc);
 
         /* AT91 specific workaround */
         irq_finish(irq);
 
         irq_exit();
+        set_irq_regs(old_regs);
 }
 
 void set_irq_flags(unsigned int irq, unsigned int iflags)
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index b030320b17c7..c03cab5c4c79 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -27,6 +27,7 @@
 #include <linux/profile.h>
 #include <linux/sysdev.h>
 #include <linux/timer.h>
+#include <linux/irq.h>
 
 #include <asm/leds.h>
 #include <asm/thread_info.h>
@@ -324,9 +325,10 @@ EXPORT_SYMBOL(restore_time_delta);
 /*
  * Kernel system timer support.
  */
-void timer_tick(struct pt_regs *regs)
+void timer_tick(void)
 {
-        profile_tick(CPU_PROFILING, regs);
+        struct pt_regs *regs = get_irq_regs();
+        profile_tick(CPU_PROFILING);
         do_leds();
         do_set_rtc();
         do_timer(1);
diff --git a/arch/arm/mach-aaec2000/core.c b/arch/arm/mach-aaec2000/core.c
index baa997c857dc..fe3d297d682d 100644
--- a/arch/arm/mach-aaec2000/core.c
+++ b/arch/arm/mach-aaec2000/core.c
@@ -127,12 +127,12 @@ static unsigned long aaec2000_gettimeoffset(void)
 
 /* We enter here with IRQs enabled */
 static irqreturn_t
-aaec2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+aaec2000_timer_interrupt(int irq, void *dev_id)
 {
         /* TODO: Check timer accuracy */
         write_seqlock(&xtime_lock);
 
-        timer_tick(regs);
+        timer_tick();
         TIMER1_CLEAR = 1;
 
         write_sequnlock(&xtime_lock);
diff --git a/arch/arm/mach-at91rm9200/at91rm9200_time.c b/arch/arm/mach-at91rm9200/at91rm9200_time.c
index a92a8622c78a..07c9cea8961d 100644
--- a/arch/arm/mach-at91rm9200/at91rm9200_time.c
+++ b/arch/arm/mach-at91rm9200/at91rm9200_time.c
@@ -65,13 +65,13 @@ static unsigned long at91rm9200_gettimeoffset(void)
 /*
  * IRQ handler for the timer.
  */
-static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id)
 {
         if (at91_sys_read(AT91_ST_SR) & AT91_ST_PITS) { /* This is a shared interrupt */
                 write_seqlock(&xtime_lock);
 
                 while (((read_CRTR() - last_crtr) & AT91_ST_ALMV) >= LATCH) {
-                        timer_tick(regs);
+                        timer_tick();
                         last_crtr = (last_crtr + LATCH) & AT91_ST_ALMV;
                 }
 
diff --git a/arch/arm/mach-at91rm9200/gpio.c b/arch/arm/mach-at91rm9200/gpio.c
index 58c9bf5e9520..7467d644f0a3 100644
--- a/arch/arm/mach-at91rm9200/gpio.c
+++ b/arch/arm/mach-at91rm9200/gpio.c
@@ -332,7 +332,7 @@ static struct irq_chip gpio_irqchip = {
         .set_wake       = gpio_irq_set_wake,
 };
 
-static void gpio_irq_handler(unsigned irq, struct irqdesc *desc, struct pt_regs *regs)
+static void gpio_irq_handler(unsigned irq, struct irqdesc *desc)
 {
         unsigned        pin;
         struct irqdesc  *gpio;
@@ -363,7 +363,7 @@ static void gpio_irq_handler(unsigned irq, struct irqdesc *desc, struct pt_regs
                                         gpio_irq_mask(pin);
                                 }
                                 else
-                                        desc_handle_irq(pin, gpio, regs);
+                                        desc_handle_irq(pin, gpio);
                         }
                         pin++;
                         gpio++;
diff --git a/arch/arm/mach-clps711x/time.c b/arch/arm/mach-clps711x/time.c
index a071eac4a30a..428493dd4687 100644
--- a/arch/arm/mach-clps711x/time.c
+++ b/arch/arm/mach-clps711x/time.c
@@ -48,10 +48,10 @@ static unsigned long clps711x_gettimeoffset(void)
  * IRQ handler for the timer
  */
 static irqreturn_t
-p720t_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+p720t_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
-        timer_tick(regs);
+        timer_tick();
         write_sequnlock(&xtime_lock);
         return IRQ_HANDLED;
 }
diff --git a/arch/arm/mach-clps7500/core.c b/arch/arm/mach-clps7500/core.c
index 92eaebdd5606..fb10cf252588 100644
--- a/arch/arm/mach-clps7500/core.c
+++ b/arch/arm/mach-clps7500/core.c
@@ -292,11 +292,11 @@ extern void ioctime_init(void);
 extern unsigned long ioc_timer_gettimeoffset(void);
 
 static irqreturn_t
-clps7500_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+clps7500_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
-        timer_tick(regs);
+        timer_tick();
 
         /* Why not using do_leds interface?? */
         {
diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c
index 70dd12ef3c40..90103ab373a6 100644
--- a/arch/arm/mach-ebsa110/core.c
+++ b/arch/arm/mach-ebsa110/core.c
@@ -174,7 +174,7 @@ static unsigned long ebsa110_gettimeoffset(void)
 }
 
 static irqreturn_t
-ebsa110_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+ebsa110_timer_interrupt(int irq, void *dev_id)
 {
         u32 count;
 
@@ -190,7 +190,7 @@ ebsa110_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         __raw_writeb(count & 0xff, PIT_T1);
         __raw_writeb(count >> 8, PIT_T1);
 
-        timer_tick(regs);
+        timer_tick();
 
         write_sequnlock(&xtime_lock);
 
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index a87a784b9201..e3fd1ab6adcc 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -97,7 +97,7 @@ static unsigned int last_jiffy_time;
 
 #define TIMER4_TICKS_PER_JIFFY          ((CLOCK_TICK_RATE + (HZ/2)) / HZ)
 
-static int ep93xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static int ep93xx_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
@@ -106,7 +106,7 @@ static int ep93xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
                 (__raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time)
                                                 >= TIMER4_TICKS_PER_JIFFY) {
                 last_jiffy_time += TIMER4_TICKS_PER_JIFFY;
-                timer_tick(regs);
+                timer_tick();
         }
 
         write_sequnlock(&xtime_lock);
@@ -245,7 +245,7 @@ EXPORT_SYMBOL(gpio_line_set);
  * EP93xx IRQ handling
  *************************************************************************/
 static void ep93xx_gpio_ab_irq_handler(unsigned int irq,
-                struct irqdesc *desc, struct pt_regs *regs)
+                struct irqdesc *desc)
 {
         unsigned char status;
         int i;
@@ -254,7 +254,7 @@ static void ep93xx_gpio_ab_irq_handler(unsigned int irq,
         for (i = 0; i < 8; i++) {
                 if (status & (1 << i)) {
                         desc = irq_desc + IRQ_EP93XX_GPIO(0) + i;
-                        desc_handle_irq(IRQ_EP93XX_GPIO(0) + i, desc, regs);
+                        desc_handle_irq(IRQ_EP93XX_GPIO(0) + i, desc);
                 }
         }
 
@@ -262,7 +262,7 @@ static void ep93xx_gpio_ab_irq_handler(unsigned int irq,
         for (i = 0; i < 8; i++) {
                 if (status & (1 << i)) {
                         desc = irq_desc + IRQ_EP93XX_GPIO(8) + i;
-                        desc_handle_irq(IRQ_EP93XX_GPIO(8) + i, desc, regs);
+                        desc_handle_irq(IRQ_EP93XX_GPIO(8) + i, desc);
                 }
         }
 }
diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c
index 2af610811ca4..fa6be870c6c2 100644
--- a/arch/arm/mach-footbridge/dc21285-timer.c
+++ b/arch/arm/mach-footbridge/dc21285-timer.c
@@ -28,13 +28,13 @@ static unsigned long timer1_gettimeoffset (void)
 }
 
 static irqreturn_t
-timer1_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+timer1_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
         *CSR_TIMER1_CLR = 0;
 
-        timer_tick(regs);
+        timer_tick();
 
         write_sequnlock(&xtime_lock);
 
diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c
index a1ae49df5c3b..fa5d4976f514 100644
--- a/arch/arm/mach-footbridge/dc21285.c
+++ b/arch/arm/mach-footbridge/dc21285.c
@@ -154,7 +154,7 @@ static void dc21285_enable_error(unsigned long __data)
 /*
  * Warn on PCI errors.
  */
-static irqreturn_t dc21285_abort_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dc21285_abort_irq(int irq, void *dev_id)
 {
         unsigned int cmd;
         unsigned int status;
@@ -165,7 +165,7 @@ static irqreturn_t dc21285_abort_irq(int irq, void *dev_id, struct pt_regs *regs
 
         if (status & PCI_STATUS_REC_MASTER_ABORT) {
                 printk(KERN_DEBUG "PCI: master abort, pc=0x%08lx\n",
-                        instruction_pointer(regs));
+                        instruction_pointer(get_irq_regs()));
                 cmd |= PCI_STATUS_REC_MASTER_ABORT << 16;
         }
 
@@ -184,7 +184,7 @@ static irqreturn_t dc21285_abort_irq(int irq, void *dev_id, struct pt_regs *regs
         return IRQ_HANDLED;
 }
 
-static irqreturn_t dc21285_serr_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dc21285_serr_irq(int irq, void *dev_id)
 {
         struct timer_list *timer = dev_id;
         unsigned int cntl;
@@ -206,7 +206,7 @@ static irqreturn_t dc21285_serr_irq(int irq, void *dev_id, struct pt_regs *regs)
         return IRQ_HANDLED;
 }
 
-static irqreturn_t dc21285_discard_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dc21285_discard_irq(int irq, void *dev_id)
 {
         printk(KERN_DEBUG "PCI: discard timer expired\n");
         *CSR_SA110_CNTL &= 0xffffde07;
@@ -214,7 +214,7 @@ static irqreturn_t dc21285_discard_irq(int irq, void *dev_id, struct pt_regs *re
         return IRQ_HANDLED;
 }
 
-static irqreturn_t dc21285_dparity_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dc21285_dparity_irq(int irq, void *dev_id)
 {
         unsigned int cmd;
 
@@ -228,7 +228,7 @@ static irqreturn_t dc21285_dparity_irq(int irq, void *dev_id, struct pt_regs *re
         return IRQ_HANDLED;
 }
 
-static irqreturn_t dc21285_parity_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dc21285_parity_irq(int irq, void *dev_id)
 {
         struct timer_list *timer = dev_id;
         unsigned int cmd;
diff --git a/arch/arm/mach-footbridge/isa-irq.c b/arch/arm/mach-footbridge/isa-irq.c
index 87448c2d6baa..888dedd501b9 100644
--- a/arch/arm/mach-footbridge/isa-irq.c
+++ b/arch/arm/mach-footbridge/isa-irq.c
@@ -85,17 +85,17 @@ static struct irqchip isa_hi_chip = {
 };
 
 static void
-isa_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+isa_irq_handler(unsigned int irq, struct irqdesc *desc)
 {
         unsigned int isa_irq = *(unsigned char *)PCIIACK_BASE;
 
         if (isa_irq < _ISA_IRQ(0) || isa_irq >= _ISA_IRQ(16)) {
-                do_bad_IRQ(isa_irq, desc, regs);
+                do_bad_IRQ(isa_irq, desc);
                 return;
         }
 
         desc = irq_desc + isa_irq;
-        desc_handle_irq(isa_irq, desc, regs);
+        desc_handle_irq(isa_irq, desc);
 }
 
 static struct irqaction irq_cascade = {
diff --git a/arch/arm/mach-footbridge/isa-timer.c b/arch/arm/mach-footbridge/isa-timer.c
index c4810a40c8e1..d884a3954fb4 100644
--- a/arch/arm/mach-footbridge/isa-timer.c
+++ b/arch/arm/mach-footbridge/isa-timer.c
@@ -62,10 +62,10 @@ static unsigned long isa_gettimeoffset(void)
 }
 
 static irqreturn_t
-isa_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+isa_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
-        timer_tick(regs);
+        timer_tick();
         write_sequnlock(&xtime_lock);
         return IRQ_HANDLED;
 }
diff --git a/arch/arm/mach-h720x/common.c b/arch/arm/mach-h720x/common.c
index c096b4569308..4719229a1a78 100644
--- a/arch/arm/mach-h720x/common.c
+++ b/arch/arm/mach-h720x/common.c
@@ -101,14 +101,14 @@ static void inline unmask_gpio_irq(u32 irq)
 
 static void
 h720x_gpio_handler(unsigned int mask, unsigned int irq,
-                 struct irqdesc *desc, struct pt_regs *regs)
+                 struct irqdesc *desc)
 {
         IRQDBG("%s irq: %d\n",__FUNCTION__,irq);
         desc = irq_desc + irq;
         while (mask) {
                 if (mask & 1) {
                         IRQDBG("handling irq %d\n", irq);
-                        desc_handle_irq(irq, desc, regs);
+                        desc_handle_irq(irq, desc);
                 }
                 irq++;
                 desc++;
@@ -117,63 +117,58 @@ h720x_gpio_handler(unsigned int mask, unsigned int irq,
 }
 
 static void
-h720x_gpioa_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
-                        struct pt_regs *regs)
+h720x_gpioa_demux_handler(unsigned int irq_unused, struct irqdesc *desc)
 {
         unsigned int mask, irq;
 
         mask = CPU_REG(GPIO_A_VIRT,GPIO_STAT);
         irq = IRQ_CHAINED_GPIOA(0);
         IRQDBG("%s mask: 0x%08x irq: %d\n",__FUNCTION__,mask,irq);
-        h720x_gpio_handler(mask, irq, desc, regs);
+        h720x_gpio_handler(mask, irq, desc);
 }
 
 static void
-h720x_gpiob_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
-                        struct pt_regs *regs)
+h720x_gpiob_demux_handler(unsigned int irq_unused, struct irqdesc *desc)
 {
         unsigned int mask, irq;
         mask = CPU_REG(GPIO_B_VIRT,GPIO_STAT);
         irq = IRQ_CHAINED_GPIOB(0);
         IRQDBG("%s mask: 0x%08x irq: %d\n",__FUNCTION__,mask,irq);
-        h720x_gpio_handler(mask, irq, desc, regs);
+        h720x_gpio_handler(mask, irq, desc);
 }
 
 static void
-h720x_gpioc_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
-                        struct pt_regs *regs)
+h720x_gpioc_demux_handler(unsigned int irq_unused, struct irqdesc *desc)
 {
         unsigned int mask, irq;
 
         mask = CPU_REG(GPIO_C_VIRT,GPIO_STAT);
         irq = IRQ_CHAINED_GPIOC(0);
         IRQDBG("%s mask: 0x%08x irq: %d\n",__FUNCTION__,mask,irq);
-        h720x_gpio_handler(mask, irq, desc, regs);
+        h720x_gpio_handler(mask, irq, desc);
 }
 
 static void
-h720x_gpiod_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
-                        struct pt_regs *regs)
+h720x_gpiod_demux_handler(unsigned int irq_unused, struct irqdesc *desc)
 {
         unsigned int mask, irq;
 
         mask = CPU_REG(GPIO_D_VIRT,GPIO_STAT);
         irq = IRQ_CHAINED_GPIOD(0);
         IRQDBG("%s mask: 0x%08x irq: %d\n",__FUNCTION__,mask,irq);
-        h720x_gpio_handler(mask, irq, desc, regs);
+        h720x_gpio_handler(mask, irq, desc);
 }
 
 #ifdef CONFIG_CPU_H7202
 static void
-h720x_gpioe_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
-                        struct pt_regs *regs)
+h720x_gpioe_demux_handler(unsigned int irq_unused, struct irqdesc *desc)
 {
         unsigned int mask, irq;
 
         mask = CPU_REG(GPIO_E_VIRT,GPIO_STAT);
         irq = IRQ_CHAINED_GPIOE(0);
         IRQDBG("%s mask: 0x%08x irq: %d\n",__FUNCTION__,mask,irq);
-        h720x_gpio_handler(mask, irq, desc, regs);
+        h720x_gpio_handler(mask, irq, desc);
 }
 #endif
 
diff --git a/arch/arm/mach-h720x/cpu-h7201.c b/arch/arm/mach-h720x/cpu-h7201.c
index a9a8255a3a03..13f76bdb3d9d 100644
--- a/arch/arm/mach-h720x/cpu-h7201.c
+++ b/arch/arm/mach-h720x/cpu-h7201.c
@@ -27,12 +27,12 @@
  * Timer interrupt handler
  */
 static irqreturn_t
-h7201_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+h7201_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
         CPU_REG (TIMER_VIRT, TIMER_TOPSTAT);
-        timer_tick(regs);
+        timer_tick();
 
         write_sequnlock(&xtime_lock);
 
diff --git a/arch/arm/mach-h720x/cpu-h7202.c b/arch/arm/mach-h720x/cpu-h7202.c
index da678d163fd9..06fecaefd8dc 100644
--- a/arch/arm/mach-h720x/cpu-h7202.c
+++ b/arch/arm/mach-h720x/cpu-h7202.c
@@ -106,8 +106,7 @@ static struct platform_device *devices[] __initdata = {
  * we have to handle all timer interrupts in one place.
  */
 static void
-h7202_timerx_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
-                        struct pt_regs *regs)
+h7202_timerx_demux_handler(unsigned int irq_unused, struct irqdesc *desc)
 {
         unsigned int mask, irq;
 
@@ -115,7 +114,7 @@ h7202_timerx_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
 
         if ( mask & TSTAT_T0INT ) {
                 write_seqlock(&xtime_lock);
-                timer_tick(regs);
+                timer_tick();
                 write_sequnlock(&xtime_lock);
                 if( mask == TSTAT_T0INT )
                         return;
@@ -126,7 +125,7 @@ h7202_timerx_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
         desc = irq_desc + irq;
         while (mask) {
                 if (mask & 1)
-                        desc_handle_irq(irq, desc, regs);
+                        desc_handle_irq(irq, desc);
                 irq++;
                 desc++;
                 mask >>= 1;
@@ -137,9 +136,9 @@ h7202_timerx_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
  * Timer interrupt handler
  */
 static irqreturn_t
-h7202_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+h7202_timer_interrupt(int irq, void *dev_id)
 {
-        h7202_timerx_demux_handler(0, NULL, regs);
+        h7202_timerx_demux_handler(0, NULL);
         return IRQ_HANDLED;
 }
 
diff --git a/arch/arm/mach-imx/dma.c b/arch/arm/mach-imx/dma.c
index 36578871ecc8..6d50d85a618c 100644
--- a/arch/arm/mach-imx/dma.c
+++ b/arch/arm/mach-imx/dma.c
@@ -279,8 +279,8 @@ imx_dma_setup_sg(imx_dmach_t dma_ch,
  */
 int
 imx_dma_setup_handlers(imx_dmach_t dma_ch,
-                       void (*irq_handler) (int, void *, struct pt_regs *),
-                       void (*err_handler) (int, void *, struct pt_regs *, int),
+                       void (*irq_handler) (int, void *),
+                       void (*err_handler) (int, void *, int),
                        void *data)
 {
         struct imx_dma_channel *imxdma = &imx_dma_channels[dma_ch];
@@ -461,7 +461,7 @@ imx_dma_request_by_prio(imx_dmach_t * pdma_ch, const char *name,
         return -ENODEV;
 }
 
-static irqreturn_t dma_err_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dma_err_handler(int irq, void *dev_id)
 {
         int i, disr = DISR;
         struct imx_dma_channel *channel;
@@ -500,7 +500,7 @@ static irqreturn_t dma_err_handler(int irq, void *dev_id, struct pt_regs *regs)
                 /*imx_dma_channels[i].sg = NULL;*/
 
                 if (channel->name && channel->err_handler) {
-                        channel->err_handler(i, channel->data, regs, errcode);
+                        channel->err_handler(i, channel->data, errcode);
                         continue;
                 }
 
@@ -517,7 +517,7 @@ static irqreturn_t dma_err_handler(int irq, void *dev_id, struct pt_regs *regs)
         return IRQ_HANDLED;
 }
 
-static irqreturn_t dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dma_irq_handler(int irq, void *dev_id)
 {
         int i, disr = DISR;
 
@@ -536,7 +536,7 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
                                 } else {
                                         if (channel->irq_handler)
                                                 channel->irq_handler(i,
-                                                        channel->data, regs);
+                                                        channel->data);
                                 }
                         } else {
                                 /*
diff --git a/arch/arm/mach-imx/irq.c b/arch/arm/mach-imx/irq.c
index 2688bd82c2a2..368b13b058ab 100644
--- a/arch/arm/mach-imx/irq.c
+++ b/arch/arm/mach-imx/irq.c
@@ -146,13 +146,13 @@ imx_gpio_unmask_irq(unsigned int irq)
 
 static void
 imx_gpio_handler(unsigned int mask, unsigned int irq,
-                 struct irqdesc *desc, struct pt_regs *regs)
+                 struct irqdesc *desc)
 {
         desc = irq_desc + irq;
         while (mask) {
                 if (mask & 1) {
                         DEBUG_IRQ("handling irq %d\n", irq);
-                        desc_handle_irq(irq, desc, regs);
+                        desc_handle_irq(irq, desc);
                 }
                 irq++;
                 desc++;
@@ -161,47 +161,43 @@ imx_gpio_handler(unsigned int mask, unsigned int irq,
 }
 
 static void
-imx_gpioa_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
-                        struct pt_regs *regs)
+imx_gpioa_demux_handler(unsigned int irq_unused, struct irqdesc *desc)
 {
         unsigned int mask, irq;
 
         mask = ISR(0);
         irq = IRQ_GPIOA(0);
-        imx_gpio_handler(mask, irq, desc, regs);
+        imx_gpio_handler(mask, irq, desc);
 }
 
 static void
-imx_gpiob_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
-                        struct pt_regs *regs)
+imx_gpiob_demux_handler(unsigned int irq_unused, struct irqdesc *desc)
 {
         unsigned int mask, irq;
 
         mask = ISR(1);
         irq = IRQ_GPIOB(0);
-        imx_gpio_handler(mask, irq, desc, regs);
+        imx_gpio_handler(mask, irq, desc);
 }
 
 static void
-imx_gpioc_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
-                        struct pt_regs *regs)
+imx_gpioc_demux_handler(unsigned int irq_unused, struct irqdesc *desc)
 {
         unsigned int mask, irq;
 
         mask = ISR(2);
         irq = IRQ_GPIOC(0);
-        imx_gpio_handler(mask, irq, desc, regs);
+        imx_gpio_handler(mask, irq, desc);
 }
 
 static void
-imx_gpiod_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
-                        struct pt_regs *regs)
+imx_gpiod_demux_handler(unsigned int irq_unused, struct irqdesc *desc)
 {
         unsigned int mask, irq;
 
         mask = ISR(3);
         irq = IRQ_GPIOD(0);
-        imx_gpio_handler(mask, irq, desc, regs);
+        imx_gpio_handler(mask, irq, desc);
 }
 
 static struct irq_chip imx_internal_chip = {
diff --git a/arch/arm/mach-imx/time.c b/arch/arm/mach-imx/time.c
index 6ed7523c65bb..8ae4a2c5066f 100644
--- a/arch/arm/mach-imx/time.c
+++ b/arch/arm/mach-imx/time.c
@@ -56,7 +56,7 @@ static unsigned long imx_gettimeoffset(void)
  * IRQ handler for the timer
  */
 static irqreturn_t
-imx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+imx_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
@@ -64,7 +64,7 @@ imx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         if (IMX_TSTAT(TIMER_BASE))
                 IMX_TSTAT(TIMER_BASE) = 0;
 
-        timer_tick(regs);
+        timer_tick();
         write_sequnlock(&xtime_lock);
 
         return IRQ_HANDLED;
diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c
index 42021fdfa0c6..8d880cb9ba39 100644
--- a/arch/arm/mach-integrator/core.c
+++ b/arch/arm/mach-integrator/core.c
@@ -248,7 +248,7 @@ unsigned long integrator_gettimeoffset(void)
  * IRQ handler for the timer
  */
 static irqreturn_t
-integrator_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+integrator_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
@@ -262,7 +262,7 @@ integrator_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
          * primary CPU
          */
         if (hard_smp_processor_id() == 0) {
-                timer_tick(regs);
+                timer_tick();
 #ifdef CONFIG_SMP
                 smp_send_timer();
 #endif
@@ -272,7 +272,7 @@ integrator_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
         /*
          * this is the ARM equivalent of the APIC timer interrupt
          */
-        update_process_times(user_mode(regs));
+        update_process_times(user_mode(get_irq_regs()));
 #endif /* CONFIG_SMP */
 
         write_sequnlock(&xtime_lock);
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index 678b6ba2b463..771b65bffe69 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -202,12 +202,12 @@ static struct irq_chip sic_chip = {
 };
 
 static void
-sic_handle_irq(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+sic_handle_irq(unsigned int irq, struct irqdesc *desc)
 {
         unsigned long status = sic_readl(INTCP_VA_SIC_BASE + IRQ_STATUS);
 
         if (status == 0) {
-                do_bad_IRQ(irq, desc, regs);
+                do_bad_IRQ(irq, desc);
                 return;
         }
 
@@ -218,7 +218,7 @@ sic_handle_irq(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
                 irq += IRQ_SIC_START;
 
                 desc = irq_desc + irq;
-                desc_handle_irq(irq, desc, regs);
+                desc_handle_irq(irq, desc);
         } while (status);
 }
 
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index 4418f6d7572d..fb8c6d97b22b 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -440,9 +440,10 @@ v3_pci_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
         return 1;
 }
 
-static irqreturn_t v3_irq(int irq, void *devid, struct pt_regs *regs)
+static irqreturn_t v3_irq(int irq, void *devid)
 {
 #ifdef CONFIG_DEBUG_LL
+        struct pt_regs *regs = get_irq_regs();
         unsigned long pc = instruction_pointer(regs);
         unsigned long instr = *(unsigned long *)pc;
         char buf[128];
diff --git a/arch/arm/mach-integrator/time.c b/arch/arm/mach-integrator/time.c
index ee49cf790dab..5278f589fcee 100644
--- a/arch/arm/mach-integrator/time.c
+++ b/arch/arm/mach-integrator/time.c
@@ -96,8 +96,7 @@ static struct rtc_ops rtc_ops = {
         .set_alarm      = integrator_rtc_set_alarm,
 };
 
-static irqreturn_t arm_rtc_interrupt(int irq, void *dev_id,
-                                     struct pt_regs *regs)
+static irqreturn_t arm_rtc_interrupt(int irq, void *dev_id)
 {
         writel(0, rtc_base + RTC_EOI);
         return IRQ_HANDLED;
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index 7f91f689a041..22c98e9dad28 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -204,7 +204,7 @@ unsigned long ixp2000_gettimeoffset (void)
         return offset / ticks_per_usec;
 }
 
-static int ixp2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static int ixp2000_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
@@ -213,7 +213,7 @@ static int ixp2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
         while ((signed long)(next_jiffy_time - *missing_jiffy_timer_csr)
                                                         >= ticks_per_jiffy) {
-                timer_tick(regs);
+                timer_tick();
                 next_jiffy_time -= ticks_per_jiffy;
         }
 
@@ -308,7 +308,7 @@ EXPORT_SYMBOL(gpio_line_config);
 /*************************************************************************
  * IRQ handling IXP2000
  *************************************************************************/
-static void ixp2000_GPIO_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+static void ixp2000_GPIO_irq_handler(unsigned int irq, struct irqdesc *desc)
 {                               
         int i;
         unsigned long status = *IXP2000_GPIO_INST;
@@ -316,7 +316,7 @@ static void ixp2000_GPIO_irq_handler(unsigned int irq, struct irqdesc *desc, str
         for (i = 0; i <= 7; i++) {
                 if (status & (1<<i)) {
                         desc = irq_desc + i + IRQ_IXP2000_GPIO0;
-                        desc_handle_irq(i + IRQ_IXP2000_GPIO0, desc, regs);
+                        desc_handle_irq(i + IRQ_IXP2000_GPIO0, desc);
                 }
         }
 }
@@ -401,7 +401,7 @@ static void ixp2000_pci_irq_unmask(unsigned int irq)
 /*
  * Error interrupts. These are used extensively by the microengine drivers
  */
-static void ixp2000_err_irq_handler(unsigned int irq, struct irqdesc *desc,  struct pt_regs *regs)
+static void ixp2000_err_irq_handler(unsigned int irq, struct irqdesc *desc)
 {
         int i;
         unsigned long status = *IXP2000_IRQ_ERR_STATUS;
@@ -409,7 +409,7 @@ static void ixp2000_err_irq_handler(unsigned int irq, struct irqdesc *desc,  str
         for(i = 31; i >= 0; i--) {
                 if(status & (1 << i)) {
                         desc = irq_desc + IRQ_IXP2000_DRAM0_MIN_ERR + i;
-                        desc_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc, regs);
+                        desc_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc);
                 }
         }
 }
diff --git a/arch/arm/mach-ixp2000/ixdp2x00.c b/arch/arm/mach-ixp2000/ixdp2x00.c
index 40eef8b36740..af48cb52dfc4 100644
--- a/arch/arm/mach-ixp2000/ixdp2x00.c
+++ b/arch/arm/mach-ixp2000/ixdp2x00.c
@@ -106,7 +106,7 @@ static void ixdp2x00_irq_unmask(unsigned int irq)
                 ixp2000_release_slowport(&old_cfg);
 }
 
-static void ixdp2x00_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+static void ixdp2x00_irq_handler(unsigned int irq, struct irqdesc *desc)
 {
         volatile u32 ex_interrupt = 0;
         static struct slowport_cfg old_cfg;
@@ -132,7 +132,7 @@ static void ixdp2x00_irq_handler(unsigned int irq, struct irqdesc *desc, struct
                         struct irqdesc *cpld_desc;
                         int cpld_irq = IXP2000_BOARD_IRQ(0) + i;
                         cpld_desc = irq_desc + cpld_irq;
-                        desc_handle_irq(cpld_irq, cpld_desc, regs);
+                        desc_handle_irq(cpld_irq, cpld_desc);
                 }
         }
 
diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c
index 7f42366f60d1..9ccae9e63f70 100644
--- a/arch/arm/mach-ixp2000/ixdp2x01.c
+++ b/arch/arm/mach-ixp2000/ixdp2x01.c
@@ -63,7 +63,7 @@ static void ixdp2x01_irq_unmask(unsigned int irq)
 
 static u32 valid_irq_mask;
 
-static void ixdp2x01_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+static void ixdp2x01_irq_handler(unsigned int irq, struct irqdesc *desc)
 {
         u32 ex_interrupt;
         int i;
@@ -82,7 +82,7 @@ static void ixdp2x01_irq_handler(unsigned int irq, struct irqdesc *desc, struct
                         struct irqdesc *cpld_desc;
                         int cpld_irq = IXP2000_BOARD_IRQ(0) + i;
                         cpld_desc = irq_desc + cpld_irq;
-                        desc_handle_irq(cpld_irq, cpld_desc, regs);
+                        desc_handle_irq(cpld_irq, cpld_desc);
                 }
         }
 
diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c
index 566a07821c77..a704a1820048 100644
--- a/arch/arm/mach-ixp23xx/core.c
+++ b/arch/arm/mach-ixp23xx/core.c
@@ -251,7 +251,7 @@ static void ixp23xx_pci_irq_unmask(unsigned int irq)
 /*
  * TODO: Should this just be done at ASM level?
  */
-static void pci_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+static void pci_handler(unsigned int irq, struct irqdesc *desc)
 {
         u32 pci_interrupt;
         unsigned int irqno;
@@ -271,7 +271,7 @@ static void pci_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *
         }
 
         int_desc = irq_desc + irqno;
-        desc_handle_irq(irqno, int_desc, regs);
+        desc_handle_irq(irqno, int_desc);
 
         desc->chip->unmask(irq);
 }
@@ -348,12 +348,12 @@ ixp23xx_gettimeoffset(void)
 }
 
 static irqreturn_t
-ixp23xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+ixp23xx_timer_interrupt(int irq, void *dev_id)
 {
         /* Clear Pending Interrupt by writing '1' to it */
         *IXP23XX_TIMER_STATUS = IXP23XX_TIMER1_INT_PEND;
         while ((signed long)(*IXP23XX_TIMER_CONT - next_jiffy_time) >= LATCH) {
-                timer_tick(regs);
+                timer_tick();
                 next_jiffy_time += LATCH;
         }
 
diff --git a/arch/arm/mach-ixp23xx/ixdp2351.c b/arch/arm/mach-ixp23xx/ixdp2351.c
index 37a32e6bcca2..b6ab0e8bb5e8 100644
--- a/arch/arm/mach-ixp23xx/ixdp2351.c
+++ b/arch/arm/mach-ixp23xx/ixdp2351.c
@@ -60,7 +60,7 @@ static void ixdp2351_inta_unmask(unsigned int irq)
         *IXDP2351_CPLD_INTA_MASK_CLR_REG = IXDP2351_INTA_IRQ_MASK(irq);
 }
 
-static void ixdp2351_inta_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+static void ixdp2351_inta_handler(unsigned int irq, struct irqdesc *desc)
 {
         u16 ex_interrupt =
                 *IXDP2351_CPLD_INTA_STAT_REG & IXDP2351_INTA_IRQ_VALID;
@@ -74,7 +74,7 @@ static void ixdp2351_inta_handler(unsigned int irq, struct irqdesc *desc, struct
                         int cpld_irq =
                                 IXP23XX_MACH_IRQ(IXDP2351_INTA_IRQ_BASE + i);
                         cpld_desc = irq_desc + cpld_irq;
-                        desc_handle_irq(cpld_irq, cpld_desc, regs);
+                        desc_handle_irq(cpld_irq, cpld_desc);
                 }
         }
 
@@ -97,7 +97,7 @@ static void ixdp2351_intb_unmask(unsigned int irq)
         *IXDP2351_CPLD_INTB_MASK_CLR_REG = IXDP2351_INTB_IRQ_MASK(irq);
 }
 
-static void ixdp2351_intb_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+static void ixdp2351_intb_handler(unsigned int irq, struct irqdesc *desc)
 {
         u16 ex_interrupt =
                 *IXDP2351_CPLD_INTB_STAT_REG & IXDP2351_INTB_IRQ_VALID;
@@ -111,7 +111,7 @@ static void ixdp2351_intb_handler(unsigned int irq, struct irqdesc *desc, struct
                         int cpld_irq =
                                 IXP23XX_MACH_IRQ(IXDP2351_INTB_IRQ_BASE + i);
                         cpld_desc = irq_desc + cpld_irq;
-                        desc_handle_irq(cpld_irq, cpld_desc, regs);
+                        desc_handle_irq(cpld_irq, cpld_desc);
                 }
         }
 
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 35dd8b3824b0..c7513f6eb50c 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -256,7 +256,7 @@ static unsigned volatile last_jiffy_time;
 
 #define CLOCK_TICKS_PER_USEC    ((CLOCK_TICK_RATE + USEC_PER_SEC/2) / USEC_PER_SEC)
 
-static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
@@ -267,7 +267,7 @@ static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id, struct pt_regs
          * Catch up with the real idea of time
          */
         while ((signed long)(*IXP4XX_OSTS - last_jiffy_time) >= LATCH) {
-                timer_tick(regs);
+                timer_tick();
                 last_jiffy_time += LATCH;
         }
 
diff --git a/arch/arm/mach-ixp4xx/nas100d-power.c b/arch/arm/mach-ixp4xx/nas100d-power.c
index 81ffcae1f56e..29aa98d3a7fa 100644
--- a/arch/arm/mach-ixp4xx/nas100d-power.c
+++ b/arch/arm/mach-ixp4xx/nas100d-power.c
@@ -24,7 +24,7 @@
 
 #include <asm/mach-types.h>
 
-static irqreturn_t nas100d_reset_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t nas100d_reset_handler(int irq, void *dev_id)
 {
         /* Signal init to do the ctrlaltdel action, this will bypass init if
          * it hasn't started and do a kernel_restart.
diff --git a/arch/arm/mach-ixp4xx/nslu2-power.c b/arch/arm/mach-ixp4xx/nslu2-power.c
index a29b3b2b61b6..acd71e9c38a7 100644
--- a/arch/arm/mach-ixp4xx/nslu2-power.c
+++ b/arch/arm/mach-ixp4xx/nslu2-power.c
@@ -25,7 +25,7 @@
 
 #include <asm/mach-types.h>
 
-static irqreturn_t nslu2_power_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t nslu2_power_handler(int irq, void *dev_id)
 {
         /* Signal init to do the ctrlaltdel action, this will bypass init if
          * it hasn't started and do a kernel_restart.
@@ -35,7 +35,7 @@ static irqreturn_t nslu2_power_handler(int irq, void *dev_id, struct pt_regs *re
         return IRQ_HANDLED;
 }
 
-static irqreturn_t nslu2_reset_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t nslu2_reset_handler(int irq, void *dev_id)
 {
         /* This is the paper-clip reset, it shuts the machine down directly.
          */
diff --git a/arch/arm/mach-lh7a40x/arch-kev7a400.c b/arch/arm/mach-lh7a40x/arch-kev7a400.c
index 4f2ab48800a5..15fbcc911fe7 100644
--- a/arch/arm/mach-lh7a40x/arch-kev7a400.c
+++ b/arch/arm/mach-lh7a40x/arch-kev7a400.c
@@ -71,14 +71,13 @@ static struct irq_chip kev7a400_cpld_chip = {
 };
 
 
-static void kev7a400_cpld_handler (unsigned int irq, struct irqdesc *desc,
-                                  struct pt_regs *regs)
+static void kev7a400_cpld_handler (unsigned int irq, struct irqdesc *desc)
 {
         u32 mask = CPLD_LATCHED_INTS;
         irq = IRQ_KEV7A400_CPLD;
         for (; mask; mask >>= 1, ++irq) {
                 if (mask & 1)
-                        desc[irq].handle (irq, desc, regs);
+                        desc[irq].handle (irq, desc);
         }
 }
 
diff --git a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
index a21b12f06c6b..8441e0a156cb 100644
--- a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
+++ b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
@@ -207,8 +207,7 @@ static struct irq_chip lpd7a40x_cpld_chip = {
         .unmask = lh7a40x_unmask_cpld_irq,
 };
 
-static void lpd7a40x_cpld_handler (unsigned int irq, struct irqdesc *desc,
-                                  struct pt_regs *regs)
+static void lpd7a40x_cpld_handler (unsigned int irq, struct irqdesc *desc)
 {
         unsigned int mask = CPLD_INTERRUPTS;
 
diff --git a/arch/arm/mach-lh7a40x/irq-kev7a400.c b/arch/arm/mach-lh7a40x/irq-kev7a400.c
index f9b3fe9174a5..646071334b8f 100644
--- a/arch/arm/mach-lh7a40x/irq-kev7a400.c
+++ b/arch/arm/mach-lh7a40x/irq-kev7a400.c
@@ -51,14 +51,13 @@ irq_chip lh7a400_cpld_chip = {
 };
 
 static void
-lh7a400_cpld_handler (unsigned int irq, struct irqdesc *desc,
-                      struct pt_regs *regs)
+lh7a400_cpld_handler (unsigned int irq, struct irqdesc *desc)
 {
         u32 mask = CPLD_LATCHED_INTS;
         irq = IRQ_KEV_7A400_CPLD;
         for (; mask; mask >>= 1, ++irq) {
                 if (mask & 1)
-                        desc[irq].handle (irq, desc, regs);
+                        desc[irq].handle (irq, desc);
         }
 }
 
diff --git a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c b/arch/arm/mach-lh7a40x/irq-lpd7a40x.c
index d6055dde6468..b20376804bbb 100644
--- a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c
+++ b/arch/arm/mach-lh7a40x/irq-lpd7a40x.c
@@ -57,8 +57,7 @@ static struct irq_chip lh7a40x_cpld_chip = {
         .unmask = lh7a40x_unmask_cpld_irq,
 };
 
-static void lh7a40x_cpld_handler (unsigned int irq, struct irqdesc *desc,
-                                  struct pt_regs *regs)
+static void lh7a40x_cpld_handler (unsigned int irq, struct irqdesc *desc)
 {
         unsigned int mask = CPLD_INTERRUPTS;
 
diff --git a/arch/arm/mach-lh7a40x/time.c b/arch/arm/mach-lh7a40x/time.c
index ad5652e01507..bef3c4b68d3b 100644
--- a/arch/arm/mach-lh7a40x/time.c
+++ b/arch/arm/mach-lh7a40x/time.c
@@ -39,12 +39,12 @@
 #endif
 
 static irqreturn_t
-lh7a40x_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+lh7a40x_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
         TIMER_EOI = 0;
-        timer_tick(regs);
+        timer_tick();
 
         write_sequnlock(&xtime_lock);
 
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c
index af0b13534cfd..edbbbdc3b06b 100644
--- a/arch/arm/mach-netx/generic.c
+++ b/arch/arm/mach-netx/generic.c
@@ -69,8 +69,7 @@ static struct platform_device *devices[] __initdata = {
 #endif
 
 static void
-netx_hif_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
-                        struct pt_regs *regs)
+netx_hif_demux_handler(unsigned int irq_unused, struct irqdesc *desc)
 {
         unsigned int irq = NETX_IRQ_HIF_CHAINED(0);
         unsigned int stat;
@@ -83,7 +82,7 @@ netx_hif_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
         while (stat) {
                 if (stat & 1) {
                         DEBUG_IRQ("handling irq %d\n", irq);
-                        desc_handle_irq(irq, desc, regs);
+                        desc_handle_irq(irq, desc);
                 }
                 irq++;
                 desc++;
diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c
index 6d72c81b7d9f..0993336c0b55 100644
--- a/arch/arm/mach-netx/time.c
+++ b/arch/arm/mach-netx/time.c
@@ -38,11 +38,11 @@ static unsigned long netx_gettimeoffset(void)
  * IRQ handler for the timer
  */
 static irqreturn_t
-netx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+netx_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
-        timer_tick(regs);
+        timer_tick();
         write_sequnlock(&xtime_lock);
 
         /* acknowledge interrupt */
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index 6b05647a6c01..3a622801d7b0 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -327,7 +327,7 @@ static struct spi_board_info __initdata mistral_boardinfo[] = { {
 
 #ifdef  CONFIG_PM
 static irqreturn_t
-osk_mistral_wake_interrupt(int irq, void *ignored, struct pt_regs *regs)
+osk_mistral_wake_interrupt(int irq, void *ignored)
 {
         return IRQ_HANDLED;
 }
diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c
index efe9bfc6e55f..8e40208b10bb 100644
--- a/arch/arm/mach-omap1/fpga.c
+++ b/arch/arm/mach-omap1/fpga.c
@@ -84,8 +84,7 @@ static void fpga_mask_ack_irq(unsigned int irq)
         fpga_ack_irq(irq);
 }
 
-void innovator_fpga_IRQ_demux(unsigned int irq, struct irqdesc *desc,
-                              struct pt_regs *regs)
+void innovator_fpga_IRQ_demux(unsigned int irq, struct irqdesc *desc)
 {
         struct irqdesc *d;
         u32 stat;
@@ -101,7 +100,7 @@ void innovator_fpga_IRQ_demux(unsigned int irq, struct irqdesc *desc,
              fpga_irq++, stat >>= 1) {
                 if (stat & 1) {
                         d = irq_desc + fpga_irq;
-                        desc_handle_irq(fpga_irq, d, regs);
+                        desc_handle_irq(fpga_irq, d);
                 }
         }
 }
diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c
index cd76185bab74..4834758d340c 100644
--- a/arch/arm/mach-omap1/pm.c
+++ b/arch/arm/mach-omap1/pm.c
@@ -682,8 +682,7 @@ static int omap_pm_finish(suspend_state_t state)
 }
 
 
-static irqreturn_t  omap_wakeup_interrupt(int  irq, void *  dev,
-                                     struct pt_regs *  regs)
+static irqreturn_t  omap_wakeup_interrupt(int irq, void *dev)
 {
         return IRQ_HANDLED;
 }
diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
index c4b790217a5b..4cc98a578e4b 100644
--- a/arch/arm/mach-omap1/serial.c
+++ b/arch/arm/mach-omap1/serial.c
@@ -204,8 +204,7 @@ void __init omap_serial_init(void)
 
 #ifdef CONFIG_OMAP_SERIAL_WAKE
 
-static irqreturn_t omap_serial_wake_interrupt(int irq, void *dev_id,
-                                              struct pt_regs *regs)
+static irqreturn_t omap_serial_wake_interrupt(int irq, void *dev_id)
 {
         /* Need to do something with serial port right after wake-up? */
         return IRQ_HANDLED;
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c
index 4d91b9f51084..1b7e4a506c26 100644
--- a/arch/arm/mach-omap1/time.c
+++ b/arch/arm/mach-omap1/time.c
@@ -160,8 +160,7 @@ static unsigned long omap_mpu_timer_gettimeoffset(void)
  * Latency during the interrupt is calculated using timer1.
  * Both timer0 and timer1 are counting at 6MHz (P2 6.5MHz).
  */
-static irqreturn_t omap_mpu_timer_interrupt(int irq, void *dev_id,
-                                        struct pt_regs *regs)
+static irqreturn_t omap_mpu_timer_interrupt(int irq, void *dev_id)
 {
         unsigned long now, latency;
 
@@ -169,7 +168,7 @@ static irqreturn_t omap_mpu_timer_interrupt(int irq, void *dev_id,
         now = 0 - omap_mpu_timer_read(0);
         latency = MPU_TICKS_PER_SEC / HZ - omap_mpu_timer_read(1);
         omap_mpu_timer_last = now - latency;
-        timer_tick(regs);
+        timer_tick();
         write_sequnlock(&xtime_lock);
 
         return IRQ_HANDLED;
@@ -182,8 +181,7 @@ static struct irqaction omap_mpu_timer_irq = {
 };
 
 static unsigned long omap_mpu_timer1_overflows;
-static irqreturn_t omap_mpu_timer1_interrupt(int irq, void *dev_id,
-                                             struct pt_regs *regs)
+static irqreturn_t omap_mpu_timer1_interrupt(int irq, void *dev_id)
 {
         omap_mpu_timer1_overflows++;
         return IRQ_HANDLED;
diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
index c37b0e6d1248..03d6905ba490 100644
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -203,7 +203,7 @@ static void __init apollon_led_init(void)
         omap_set_gpio_dataout(LED2_GPIO15, 0);
 }
 
-static irqreturn_t apollon_sw_interrupt(int irq, void *ignored, struct pt_regs *regs)
+static irqreturn_t apollon_sw_interrupt(int irq, void *ignored)
 {
         static unsigned int led0, led1, led2;
 
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index fe5fd6d42dea..973189cd9766 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -37,13 +37,12 @@ static inline void omap2_gp_timer_start(unsigned long load_val)
         omap_dm_timer_start(gptimer);
 }
 
-static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id,
-                                            struct pt_regs *regs)
+static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
         omap_dm_timer_write_status(gptimer, OMAP_TIMER_INT_OVERFLOW);
-        timer_tick(regs);
+        timer_tick();
 
         write_sequnlock(&xtime_lock);
 
diff --git a/arch/arm/mach-pnx4008/dma.c b/arch/arm/mach-pnx4008/dma.c
index ec01574f88ac..d6a279e4b524 100644
--- a/arch/arm/mach-pnx4008/dma.c
+++ b/arch/arm/mach-pnx4008/dma.c
@@ -32,7 +32,7 @@
 
 static struct dma_channel {
         char *name;
-        void (*irq_handler) (int, int, void *, struct pt_regs *);
+        void (*irq_handler) (int, int, void *);
         void *data;
         struct pnx4008_dma_ll *ll;
         u32 ll_dma;
@@ -150,8 +150,7 @@ static inline void pnx4008_dma_unlock(void)
 #define VALID_CHANNEL(c)        (((c) >= 0) && ((c) < MAX_DMA_CHANNELS))
 
 int pnx4008_request_channel(char *name, int ch,
-                            void (*irq_handler) (int, int, void *,
-                                                 struct pt_regs *), void *data)
+                            void (*irq_handler) (int, int, void *), void *data)
 {
         int i, found = 0;
 
@@ -1033,7 +1032,7 @@ int pnx4008_dma_ch_enabled(int ch)
 
 EXPORT_SYMBOL_GPL(pnx4008_dma_ch_enabled);
 
-static irqreturn_t dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dma_irq_handler(int irq, void *dev_id)
 {
         int i;
         unsigned long dint = __raw_readl(DMAC_INT_STAT);
@@ -1053,8 +1052,7 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
                                         cause |= DMA_ERR_INT;
                                 if (tcint & i_bit)
                                         cause |= DMA_TC_INT;
-                                channel->irq_handler(i, cause, channel->data,
-                                                     regs);
+                                channel->irq_handler(i, cause, channel->data);
                         } else {
                                 /*
                                  * IRQ for an unregistered DMA channel
diff --git a/arch/arm/mach-pnx4008/time.c b/arch/arm/mach-pnx4008/time.c
index b986065cd0f3..8621c206ac84 100644
--- a/arch/arm/mach-pnx4008/time.c
+++ b/arch/arm/mach-pnx4008/time.c
@@ -47,15 +47,14 @@ static unsigned long pnx4008_gettimeoffset(void)
 /*!
  * IRQ handler for the timer
  */
-static irqreturn_t pnx4008_timer_interrupt(int irq, void *dev_id,
-                                           struct pt_regs *regs)
+static irqreturn_t pnx4008_timer_interrupt(int irq, void *dev_id)
 {
         if (__raw_readl(HSTIM_INT) & MATCH0_INT) {
 
                 write_seqlock(&xtime_lock);
 
                 do {
-                        timer_tick(regs);
+                        timer_tick();
 
                         /*
                          * this algorithm takes care of possible delay
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 337c01c4ac37..a1a900d16665 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -212,7 +212,7 @@ static struct platform_device corgits_device = {
  */
 static struct pxamci_platform_data corgi_mci_platform_data;
 
-static int corgi_mci_init(struct device *dev, irqreturn_t (*corgi_detect_int)(int, void *, struct pt_regs *), void *data)
+static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, void *data)
 {
         int err;
 
diff --git a/arch/arm/mach-pxa/dma.c b/arch/arm/mach-pxa/dma.c
index 7d8c85486c66..4440babe7b97 100644
--- a/arch/arm/mach-pxa/dma.c
+++ b/arch/arm/mach-pxa/dma.c
@@ -27,13 +27,13 @@
 
 static struct dma_channel {
         char *name;
-        void (*irq_handler)(int, void *, struct pt_regs *);
+        void (*irq_handler)(int, void *);
         void *data;
 } dma_channels[PXA_DMA_CHANNELS];
 
 
 int pxa_request_dma (char *name, pxa_dma_prio prio,
-                         void (*irq_handler)(int, void *, struct pt_regs *),
+                         void (*irq_handler)(int, void *),
                          void *data)
 {
         unsigned long flags;
@@ -87,7 +87,7 @@ void pxa_free_dma (int dma_ch)
         local_irq_restore(flags);
 }
 
-static irqreturn_t dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dma_irq_handler(int irq, void *dev_id)
 {
         int i, dint = DINT;
 
@@ -95,7 +95,7 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
                 if (dint & (1 << i)) {
                         struct dma_channel *channel = &dma_channels[i];
                         if (channel->name && channel->irq_handler) {
-                                channel->irq_handler(i, channel->data, regs);
+                                channel->irq_handler(i, channel->data);
                         } else {
                                 /*
                                  * IRQ for an unregistered DMA channel:
diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c
index 3e4b0ab71c66..64df44043a65 100644
--- a/arch/arm/mach-pxa/idp.c
+++ b/arch/arm/mach-pxa/idp.c
@@ -125,7 +125,7 @@ static struct pxafb_mach_info sharp_lm8v31 = {
         .pxafb_lcd_power = &idp_lcd_power
 };
 
-static int idp_mci_init(struct device *dev, irqreturn_t (*idp_detect_int)(int, void *, struct pt_regs *), void *data)
+static int idp_mci_init(struct device *dev, irq_handler_t idp_detect_int, void *data)
 {
         /* setup GPIO for PXA25x MMC controller */
         pxa_gpio_mode(GPIO6_MMCCLK_MD);
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index 12141e2a50cc..ab1a16025d51 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -143,8 +143,7 @@ static struct irq_chip pxa_low_gpio_chip = {
  * Demux handler for GPIO>=2 edge detect interrupts
  */
 
-static void pxa_gpio_demux_handler(unsigned int irq, struct irqdesc *desc,
-                                   struct pt_regs *regs)
+static void pxa_gpio_demux_handler(unsigned int irq, struct irqdesc *desc)
 {
         unsigned int mask;
         int loop;
@@ -160,7 +159,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irqdesc *desc,
                         mask >>= 2;
                         do {
                                 if (mask & 1)
-                                        desc_handle_irq(irq, desc, regs);
+                                        desc_handle_irq(irq, desc);
                                 irq++;
                                 desc++;
                                 mask >>= 1;
@@ -175,7 +174,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irqdesc *desc,
                         desc = irq_desc + irq;
                         do {
                                 if (mask & 1)
-                                        desc_handle_irq(irq, desc, regs);
+                                        desc_handle_irq(irq, desc);
                                 irq++;
                                 desc++;
                                 mask >>= 1;
@@ -190,7 +189,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irqdesc *desc,
                         desc = irq_desc + irq;
                         do {
                                 if (mask & 1)
-                                        desc_handle_irq(irq, desc, regs);
+                                        desc_handle_irq(irq, desc);
                                 irq++;
                                 desc++;
                                 mask >>= 1;
@@ -206,7 +205,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irqdesc *desc,
                         desc = irq_desc + irq;
                         do {
                                 if (mask & 1)
-                                        desc_handle_irq(irq, desc, regs);
+                                        desc_handle_irq(irq, desc);
                                 irq++;
                                 desc++;
                                 mask >>= 1;
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index eff2a91b2565..5749f6b72e12 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -75,8 +75,7 @@ static struct irq_chip lpd270_irq_chip = {
         .unmask         = lpd270_unmask_irq,
 };
 
-static void lpd270_irq_handler(unsigned int irq, struct irqdesc *desc,
-                                  struct pt_regs *regs)
+static void lpd270_irq_handler(unsigned int irq, struct irqdesc *desc)
 {
         unsigned long pending;
 
@@ -86,7 +85,7 @@ static void lpd270_irq_handler(unsigned int irq, struct irqdesc *desc,
                 if (likely(pending)) {
                         irq = LPD270_IRQ(0) + __ffs(pending);
                         desc = irq_desc + irq;
-                        desc_handle_irq(irq, desc, regs);
+                        desc_handle_irq(irq, desc);
 
                         pending = __raw_readw(LPD270_INT_STATUS) &
                                                 lpd270_irq_enabled;
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 157cf47cbe66..ee80d62119d3 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -85,8 +85,7 @@ static struct irq_chip lubbock_irq_chip = {
         .unmask         = lubbock_unmask_irq,
 };
 
-static void lubbock_irq_handler(unsigned int irq, struct irqdesc *desc,
-                                struct pt_regs *regs)
+static void lubbock_irq_handler(unsigned int irq, struct irqdesc *desc)
 {
         unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
         do {
@@ -94,7 +93,7 @@ static void lubbock_irq_handler(unsigned int irq, struct irqdesc *desc,
                 if (likely(pending)) {
                         irq = LUBBOCK_IRQ(0) + __ffs(pending);
                         desc = irq_desc + irq;
-                        desc_handle_irq(irq, desc, regs);
+                        desc_handle_irq(irq, desc);
                 }
                 pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
         } while (pending);
@@ -379,7 +378,7 @@ static struct pxafb_mach_info sharp_lm8v31 = {
 #define MMC_POLL_RATE           msecs_to_jiffies(1000)
 
 static void lubbock_mmc_poll(unsigned long);
-static irqreturn_t (*mmc_detect_int)(int, void *, struct pt_regs *);
+static irq_handler_t mmc_detect_int;
 
 static struct timer_list mmc_timer = {
         .function       = lubbock_mmc_poll,
@@ -403,17 +402,17 @@ static void lubbock_mmc_poll(unsigned long data)
         }
 }
 
-static irqreturn_t lubbock_detect_int(int irq, void *data, struct pt_regs *regs)
+static irqreturn_t lubbock_detect_int(int irq, void *data)
 {
         /* IRQ is level triggered; disable, and poll for removal */
         disable_irq(irq);
         mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
 
-        return mmc_detect_int(irq, data, regs);
+        return mmc_detect_int(irq, data);
 }
 
 static int lubbock_mci_init(struct device *dev,
-                irqreturn_t (*detect_int)(int, void *, struct pt_regs *),
+                irq_handler_t detect_int,
                 void *data)
 {
         /* setup GPIO for PXA25x MMC controller */
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 7ba0447d6fa3..49c34d94a9fe 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -71,8 +71,7 @@ static struct irq_chip mainstone_irq_chip = {
         .unmask         = mainstone_unmask_irq,
 };
 
-static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc,
-                                  struct pt_regs *regs)
+static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc)
 {
         unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
         do {
@@ -80,7 +79,7 @@ static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc,
                 if (likely(pending)) {
                         irq = MAINSTONE_IRQ(0) + __ffs(pending);
                         desc = irq_desc + irq;
-                        desc_handle_irq(irq, desc, regs);
+                        desc_handle_irq(irq, desc);
                 }
                 pending = MST_INTSETCLR & mainstone_irq_enabled;
         } while (pending);
@@ -314,7 +313,7 @@ static struct pxafb_mach_info mainstone_pxafb_info = {
         .pxafb_backlight_power  = mainstone_backlight_power,
 };
 
-static int mainstone_mci_init(struct device *dev, irqreturn_t (*mstone_detect_int)(int, void *, struct pt_regs *), void *data)
+static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data)
 {
         int err;
 
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 5e8c098ca139..34fb80b37023 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -197,7 +197,7 @@ static struct platform_device poodle_ts_device = {
  */
 static struct pxamci_platform_data poodle_mci_platform_data;
 
-static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *, struct pt_regs *), void *data)
+static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
 {
         int err;
 
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 401cdb850fbc..3cbac63bed3c 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -291,7 +291,7 @@ static struct platform_device spitzts_device = {
 
 static struct pxamci_platform_data spitz_mci_platform_data;
 
-static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), void *data)
+static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
 {
         int err;
 
diff --git a/arch/arm/mach-pxa/ssp.c b/arch/arm/mach-pxa/ssp.c
index 1fddfeaa630d..6cc202755fb4 100644
--- a/arch/arm/mach-pxa/ssp.c
+++ b/arch/arm/mach-pxa/ssp.c
@@ -65,7 +65,7 @@ static const struct ssp_info_ ssp_info[PXA_SSP_PORTS] = {
 static DEFINE_MUTEX(mutex);
 static int use_count[PXA_SSP_PORTS] = {0, 0, 0};
 
-static irqreturn_t ssp_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ssp_interrupt(int irq, void *dev_id)
 {
         struct ssp_dev *dev = (struct ssp_dev*) dev_id;
         unsigned int status = SSSR_P(dev->port);
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 5dbd191c57c4..3ac268fa419b 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -75,7 +75,7 @@ static int match_posponed;
 #endif
 
 static irqreturn_t
-pxa_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+pxa_timer_interrupt(int irq, void *dev_id)
 {
         int next_match;
 
@@ -105,7 +105,7 @@ pxa_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
          * exactly one tick period which should be a pretty rare event.
          */
         do {
-                timer_tick(regs);
+                timer_tick();
                 OSSR = OSSR_M0;  /* Clear match on timer 0 */
                 next_match = (OSMR0 += LATCH);
         } while( (signed long)(next_match - OSCR) <= 8 );
@@ -157,13 +157,13 @@ static void pxa_dyn_tick_reprogram(unsigned long ticks)
 }
 
 static irqreturn_t
-pxa_dyn_tick_handler(int irq, void *dev_id, struct pt_regs *regs)
+pxa_dyn_tick_handler(int irq, void *dev_id)
 {
         if (match_posponed) {
                 match_posponed = 0;
                 OSMR0 = initial_match;
                 if ( (signed long)(initial_match - OSCR) <= 8 )
-                        return pxa_timer_interrupt(irq, dev_id, regs);
+                        return pxa_timer_interrupt(irq, dev_id);
         }
         return IRQ_NONE;
 }
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 249353616aba..7915a5a22865 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -174,7 +174,7 @@ static struct pxa2xx_udc_mach_info udc_info __initdata = {
  */
 static struct pxamci_platform_data tosa_mci_platform_data;
 
-static int tosa_mci_init(struct device *dev, irqreturn_t (*tosa_detect_int)(int, void *, struct pt_regs *), void *data)
+static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
 {
         int err;
 
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index 910571e9a190..c1827d021ba8 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -270,7 +270,7 @@ void board_pcmcia_power(int power)	{;}
 #endif          /* CONFIG_MACH_TRIZEPS4_CONXS */
 EXPORT_SYMBOL(board_pcmcia_power);
 
-static int trizeps4_mci_init(struct device *dev, irqreturn_t (*mci_detect_int)(int, void *, struct pt_regs *), void *data)
+static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, void *data)
 {
         int err;
         /* setup GPIO for PXA27x MMC controller */
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index da0286973823..68c67053f479 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -515,18 +515,18 @@ static unsigned long realview_gettimeoffset(void)
 /*
  * IRQ handler for the timer
  */
-static irqreturn_t realview_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t realview_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
         // ...clear the interrupt
         writel(1, TIMER0_VA_BASE + TIMER_INTCLR);
 
-        timer_tick(regs);
+        timer_tick();
 
 #if defined(CONFIG_SMP) && !defined(CONFIG_LOCAL_TIMERS)
         smp_send_timer();
-        update_process_times(user_mode(regs));
+        update_process_times(user_mode(get_irq_regs()));
 #endif
 
         write_sequnlock(&xtime_lock);
diff --git a/arch/arm/mach-rpc/dma.c b/arch/arm/mach-rpc/dma.c
index ac511d41d4d7..596379a4cf82 100644
--- a/arch/arm/mach-rpc/dma.c
+++ b/arch/arm/mach-rpc/dma.c
@@ -83,7 +83,7 @@ static void iomd_get_next_sg(struct scatterlist *sg, dma_t *dma)
         sg->length |= flags;
 }
 
-static irqreturn_t iomd_dma_handle(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t iomd_dma_handle(int irq, void *dev_id)
 {
         dma_t *dma = (dma_t *)dev_id;
         unsigned long base = dma->dma_base;
diff --git a/arch/arm/mach-s3c2410/bast-irq.c b/arch/arm/mach-s3c2410/bast-irq.c
index 440e9aa0211a..23d5beea5568 100644
--- a/arch/arm/mach-s3c2410/bast-irq.c
+++ b/arch/arm/mach-s3c2410/bast-irq.c
@@ -112,8 +112,7 @@ static struct irqchip  bast_pc104_chip = {
 
 static void
 bast_irq_pc104_demux(unsigned int irq,
-                     struct irqdesc *desc,
-                     struct pt_regs *regs)
+                     struct irqdesc *desc)
 {
         unsigned int stat;
         unsigned int irqno;
@@ -133,7 +132,7 @@ bast_irq_pc104_demux(unsigned int irq,
                         if (stat & 1) {
                                 irqno = bast_pc104_irqs[i];
                                 desc = irq_desc + irqno;
-                                desc_handle_irq(irqno, desc, regs);
+                                desc_handle_irq(irqno, desc);
                         }
                 }
         }
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index d264bbbd8bef..3d211dc2f2f9 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -595,7 +595,7 @@ s3c2410_dma_lastxfer(struct s3c2410_dma_chan *chan)
 #define dmadbg2(x...)
 
 static irqreturn_t
-s3c2410_dma_irq(int irq, void *devpw, struct pt_regs *regs)
+s3c2410_dma_irq(int irq, void *devpw)
 {
         struct s3c2410_dma_chan *chan = (struct s3c2410_dma_chan *)devpw;
         struct s3c2410_dma_buf  *buf;
diff --git a/arch/arm/mach-s3c2410/irq.c b/arch/arm/mach-s3c2410/irq.c
index 3e9f3462c61b..683b3491ba3c 100644
--- a/arch/arm/mach-s3c2410/irq.c
+++ b/arch/arm/mach-s3c2410/irq.c
@@ -480,8 +480,7 @@ static struct irqchip s3c_irq_adc = {
 
 /* irq demux for adc */
 static void s3c_irq_demux_adc(unsigned int irq,
-                              struct irqdesc *desc,
-                              struct pt_regs *regs)
+                              struct irqdesc *desc)
 {
         unsigned int subsrc, submsk;
         unsigned int offset = 9;
@@ -500,17 +499,16 @@ static void s3c_irq_demux_adc(unsigned int irq,
         if (subsrc != 0) {
                 if (subsrc & 1) {
                         mydesc = irq_desc + IRQ_TC;
-                        desc_handle_irq(IRQ_TC, mydesc, regs);
+                        desc_handle_irq(IRQ_TC, mydesc);
                 }
                 if (subsrc & 2) {
                         mydesc = irq_desc + IRQ_ADC;
-                        desc_handle_irq(IRQ_ADC, mydesc, regs);
+                        desc_handle_irq(IRQ_ADC, mydesc);
                 }
         }
 }
 
-static void s3c_irq_demux_uart(unsigned int start,
-                               struct pt_regs *regs)
+static void s3c_irq_demux_uart(unsigned int start)
 {
         unsigned int subsrc, submsk;
         unsigned int offset = start - IRQ_S3CUART_RX0;
@@ -533,17 +531,17 @@ static void s3c_irq_demux_uart(unsigned int start,
                 desc = irq_desc + start;
 
                 if (subsrc & 1)
-                        desc_handle_irq(start, desc, regs);
+                        desc_handle_irq(start, desc);
 
                 desc++;
 
                 if (subsrc & 2)
-                        desc_handle_irq(start+1, desc, regs);
+                        desc_handle_irq(start+1, desc);
 
                 desc++;
 
                 if (subsrc & 4)
-                        desc_handle_irq(start+2, desc, regs);
+                        desc_handle_irq(start+2, desc);
         }
 }
 
@@ -551,35 +549,31 @@ static void s3c_irq_demux_uart(unsigned int start,
 
 static void
 s3c_irq_demux_uart0(unsigned int irq,
-                    struct irqdesc *desc,
-                    struct pt_regs *regs)
+                    struct irqdesc *desc)
 {
         irq = irq;
-        s3c_irq_demux_uart(IRQ_S3CUART_RX0, regs);
+        s3c_irq_demux_uart(IRQ_S3CUART_RX0);
 }
 
 static void
 s3c_irq_demux_uart1(unsigned int irq,
-                    struct irqdesc *desc,
-                    struct pt_regs *regs)
+                    struct irqdesc *desc)
 {
         irq = irq;
-        s3c_irq_demux_uart(IRQ_S3CUART_RX1, regs);
+        s3c_irq_demux_uart(IRQ_S3CUART_RX1);
 }
 
 static void
 s3c_irq_demux_uart2(unsigned int irq,
-                    struct irqdesc *desc,
-                    struct pt_regs *regs)
+                    struct irqdesc *desc)
 {
         irq = irq;
-        s3c_irq_demux_uart(IRQ_S3CUART_RX2, regs);
+        s3c_irq_demux_uart(IRQ_S3CUART_RX2);
 }
 
 static void
 s3c_irq_demux_extint8(unsigned int irq,
-                      struct irqdesc *desc,
-                      struct pt_regs *regs)
+                      struct irqdesc *desc)
 {
         unsigned long eintpnd = __raw_readl(S3C24XX_EINTPEND);
         unsigned long eintmsk = __raw_readl(S3C24XX_EINTMASK);
@@ -594,15 +588,14 @@ s3c_irq_demux_extint8(unsigned int irq,
                 eintpnd &= ~(1<<irq);
 
                 irq += (IRQ_EINT4 - 4);
-                desc_handle_irq(irq, irq_desc + irq, regs);
+                desc_handle_irq(irq, irq_desc + irq);
         }
 
 }
 
 static void
 s3c_irq_demux_extint4t7(unsigned int irq,
-                        struct irqdesc *desc,
-                        struct pt_regs *regs)
+                        struct irqdesc *desc)
 {
         unsigned long eintpnd = __raw_readl(S3C24XX_EINTPEND);
         unsigned long eintmsk = __raw_readl(S3C24XX_EINTMASK);
@@ -618,7 +611,7 @@ s3c_irq_demux_extint4t7(unsigned int irq,
 
                 irq += (IRQ_EINT4 - 4);
 
-                desc_handle_irq(irq, irq_desc + irq, regs);
+                desc_handle_irq(irq, irq_desc + irq);
         }
 }
 
diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c
index ba5109af40b4..817e2c684410 100644
--- a/arch/arm/mach-s3c2410/mach-amlm5900.c
+++ b/arch/arm/mach-s3c2410/mach-amlm5900.c
@@ -226,7 +226,7 @@ static struct s3c2410fb_mach_info __initdata amlm5900_lcd_info = {
 #endif
 
 static irqreturn_t
-amlm5900_wake_interrupt(int irq, void *ignored, struct pt_regs *regs)
+amlm5900_wake_interrupt(int irq, void *ignored)
 {
         return IRQ_HANDLED;
 }
diff --git a/arch/arm/mach-s3c2410/s3c2440-irq.c b/arch/arm/mach-s3c2410/s3c2440-irq.c
index fc08febe2e54..39db0752d53b 100644
--- a/arch/arm/mach-s3c2410/s3c2440-irq.c
+++ b/arch/arm/mach-s3c2410/s3c2440-irq.c
@@ -42,8 +42,7 @@
 /* WDT/AC97 */
 
 static void s3c_irq_demux_wdtac97(unsigned int irq,
-                                  struct irqdesc *desc,
-                                  struct pt_regs *regs)
+                                  struct irqdesc *desc)
 {
         unsigned int subsrc, submsk;
         struct irqdesc *mydesc;
@@ -61,11 +60,11 @@ static void s3c_irq_demux_wdtac97(unsigned int irq,
         if (subsrc != 0) {
                 if (subsrc & 1) {
                         mydesc = irq_desc + IRQ_S3C2440_WDT;
-                        desc_handle_irq(IRQ_S3C2440_WDT, mydesc, regs);
+                        desc_handle_irq(IRQ_S3C2440_WDT, mydesc);
                 }
                 if (subsrc & 2) {
                         mydesc = irq_desc + IRQ_S3C2440_AC97;
-                        desc_handle_irq(IRQ_S3C2440_AC97, mydesc, regs);
+                        desc_handle_irq(IRQ_S3C2440_AC97, mydesc);
                 }
         }
 }
diff --git a/arch/arm/mach-s3c2410/s3c244x-irq.c b/arch/arm/mach-s3c2410/s3c244x-irq.c
index ec702f88b299..146f2109dd90 100644
--- a/arch/arm/mach-s3c2410/s3c244x-irq.c
+++ b/arch/arm/mach-s3c2410/s3c244x-irq.c
@@ -42,8 +42,7 @@
 /* camera irq */
 
 static void s3c_irq_demux_cam(unsigned int irq,
-                              struct irqdesc *desc,
-                              struct pt_regs *regs)
+                              struct irqdesc *desc)
 {
         unsigned int subsrc, submsk;
         struct irqdesc *mydesc;
@@ -61,11 +60,11 @@ static void s3c_irq_demux_cam(unsigned int irq,
         if (subsrc != 0) {
                 if (subsrc & 1) {
                         mydesc = irq_desc + IRQ_S3C2440_CAM_C;
-                        desc_handle_irq(IRQ_S3C2440_CAM_C, mydesc, regs);
+                        desc_handle_irq(IRQ_S3C2440_CAM_C, mydesc);
                 }
                 if (subsrc & 2) {
                         mydesc = irq_desc + IRQ_S3C2440_CAM_P;
-                        desc_handle_irq(IRQ_S3C2440_CAM_P, mydesc, regs);
+                        desc_handle_irq(IRQ_S3C2440_CAM_P, mydesc);
                 }
         }
 }
diff --git a/arch/arm/mach-s3c2410/time.c b/arch/arm/mach-s3c2410/time.c
index 00d1cfca9712..9910bf0f2cea 100644
--- a/arch/arm/mach-s3c2410/time.c
+++ b/arch/arm/mach-s3c2410/time.c
@@ -128,10 +128,10 @@ static unsigned long s3c2410_gettimeoffset (void)
  * IRQ handler for the timer
  */
 static irqreturn_t
-s3c2410_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+s3c2410_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
-        timer_tick(regs);
+        timer_tick();
         write_sequnlock(&xtime_lock);
         return IRQ_HANDLED;
 }
diff --git a/arch/arm/mach-s3c2410/usb-simtec.c b/arch/arm/mach-s3c2410/usb-simtec.c
index c635efa7cd31..22b0e1cdd4bf 100644
--- a/arch/arm/mach-s3c2410/usb-simtec.c
+++ b/arch/arm/mach-s3c2410/usb-simtec.c
@@ -58,7 +58,7 @@ usb_simtec_powercontrol(int port, int to)
 }
 
 static irqreturn_t
-usb_simtec_ocirq(int irq, void *pw, struct pt_regs *regs)
+usb_simtec_ocirq(int irq, void *pw)
 {
         struct s3c2410_hcd_info *info = (struct s3c2410_hcd_info *)pw;
 
diff --git a/arch/arm/mach-sa1100/dma.c b/arch/arm/mach-sa1100/dma.c
index 2ea2a657a034..1fbe053e8b59 100644
--- a/arch/arm/mach-sa1100/dma.c
+++ b/arch/arm/mach-sa1100/dma.c
@@ -42,7 +42,7 @@ static sa1100_dma_t dma_chan[SA1100_DMA_CHANNELS];
 static spinlock_t dma_list_lock;
 
 
-static irqreturn_t dma_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dma_irq_handler(int irq, void *dev_id)
 {
         dma_regs_t *dma_regs = dev_id;
         sa1100_dma_t *dma = dma_chan + (((u_int)dma_regs >> 5) & 7);
diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c
index 7364478cec12..fa6dc71bd6ad 100644
--- a/arch/arm/mach-sa1100/h3600.c
+++ b/arch/arm/mach-sa1100/h3600.c
@@ -702,7 +702,7 @@ static u32 gpio_irq_mask[] = {
         GPIO2_SD_CON_SLT,
 };
 
-static void h3800_IRQ_demux(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+static void h3800_IRQ_demux(unsigned int irq, struct irqdesc *desc)
 {
         int i;
 
@@ -719,14 +719,14 @@ static void h3800_IRQ_demux(unsigned int irq, struct irqdesc *desc, struct pt_re
                 if (0) printk("%s KPIO 0x%08X\n", __FUNCTION__, irq);
                 for (j = 0; j < H3800_KPIO_IRQ_COUNT; j++)
                         if (irq & kpio_irq_mask[j])
-                                do_edge_IRQ(H3800_KPIO_IRQ_COUNT + j, irq_desc + H3800_KPIO_IRQ_COUNT + j, regs);
+                                do_edge_IRQ(H3800_KPIO_IRQ_COUNT + j, irq_desc + H3800_KPIO_IRQ_COUNT + j);
 
                 /* GPIO2 */
                 irq = H3800_ASIC2_GPIINTFLAG;
                 if (0) printk("%s GPIO 0x%08X\n", __FUNCTION__, irq);
                 for (j = 0; j < H3800_GPIO_IRQ_COUNT; j++)
                         if (irq & gpio_irq_mask[j])
-                                do_edge_IRQ(H3800_GPIO_IRQ_COUNT + j, irq_desc + H3800_GPIO_IRQ_COUNT + j , regs);
+                                do_edge_IRQ(H3800_GPIO_IRQ_COUNT + j, irq_desc + H3800_GPIO_IRQ_COUNT + j);
         }
 
         if (i >= MAX_ASIC_ISR_LOOPS)
diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c
index b55b90a2e8fe..f4c6322ca33e 100644
--- a/arch/arm/mach-sa1100/irq.c
+++ b/arch/arm/mach-sa1100/irq.c
@@ -110,8 +110,7 @@ static struct irq_chip sa1100_low_gpio_chip = {
  * and call the handler.
  */
 static void
-sa1100_high_gpio_handler(unsigned int irq, struct irqdesc *desc,
-                         struct pt_regs *regs)
+sa1100_high_gpio_handler(unsigned int irq, struct irqdesc *desc)
 {
         unsigned int mask;
 
@@ -128,7 +127,7 @@ sa1100_high_gpio_handler(unsigned int irq, struct irqdesc *desc,
                 mask >>= 11;
                 do {
                         if (mask & 1)
-                                desc_handle_irq(irq, desc, regs);
+                                desc_handle_irq(irq, desc);
                         mask >>= 1;
                         irq++;
                         desc++;
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index af6d2775cf82..354d5e91da59 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -29,7 +29,7 @@
  * is rather unfortunate.
  */
 static void
-neponset_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+neponset_irq_handler(unsigned int irq, struct irqdesc *desc)
 {
         unsigned int irr;
 
@@ -69,12 +69,12 @@ neponset_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *reg
 
                         if (irr & IRR_ETHERNET) {
                                 d = irq_desc + IRQ_NEPONSET_SMC9196;
-                                desc_handle_irq(IRQ_NEPONSET_SMC9196, d, regs);
+                                desc_handle_irq(IRQ_NEPONSET_SMC9196, d);
                         }
 
                         if (irr & IRR_USAR) {
                                 d = irq_desc + IRQ_NEPONSET_USAR;
-                                desc_handle_irq(IRQ_NEPONSET_USAR, d, regs);
+                                desc_handle_irq(IRQ_NEPONSET_USAR, d);
                         }
 
                         desc->chip->unmask(irq);
@@ -82,7 +82,7 @@ neponset_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *reg
 
                 if (irr & IRR_SA1111) {
                         d = irq_desc + IRQ_NEPONSET_SA1111;
-                        desc_handle_irq(IRQ_NEPONSET_SA1111, d, regs);
+                        desc_handle_irq(IRQ_NEPONSET_SA1111, d);
                 }
         }
 }
diff --git a/arch/arm/mach-sa1100/ssp.c b/arch/arm/mach-sa1100/ssp.c
index 5eba5fbbb561..59703c6fb29b 100644
--- a/arch/arm/mach-sa1100/ssp.c
+++ b/arch/arm/mach-sa1100/ssp.c
@@ -25,7 +25,7 @@
 
 #define TIMEOUT 100000
 
-static irqreturn_t ssp_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ssp_interrupt(int irq, void *dev_id)
 {
         unsigned int status = Ser4SSSR;
 
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index 49ae716e16c2..4284bd6f7a1f 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -77,7 +77,7 @@ static int match_posponed;
 #endif
 
 static irqreturn_t
-sa1100_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+sa1100_timer_interrupt(int irq, void *dev_id)
 {
         unsigned int next_match;
 
@@ -99,7 +99,7 @@ sa1100_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
          * handlers.
          */
         do {
-                timer_tick(regs);
+                timer_tick();
                 OSSR = OSSR_M0;  /* Clear match on timer 0 */
                 next_match = (OSMR0 += LATCH);
         } while ((signed long)(next_match - OSCR) <= 0);
@@ -151,13 +151,13 @@ static void sa1100_dyn_tick_reprogram(unsigned long ticks)
 }
 
 static irqreturn_t
-sa1100_dyn_tick_handler(int irq, void *dev_id, struct pt_regs *regs)
+sa1100_dyn_tick_handler(int irq, void *dev_id)
 {
         if (match_posponed) {
                 match_posponed = 0;
                 OSMR0 = initial_match;
                 if ((signed long)(initial_match - OSCR) <= 0)
-                        return sa1100_timer_interrupt(irq, dev_id, regs);
+                        return sa1100_timer_interrupt(irq, dev_id);
         }
         return IRQ_NONE;
 }
diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c
index 1095df34fec0..0e480fae8ec5 100644
--- a/arch/arm/mach-shark/core.c
+++ b/arch/arm/mach-shark/core.c
@@ -80,10 +80,10 @@ static void __init shark_map_io(void)
 #define HZ_TIME ((1193180 + HZ/2) / HZ)
 
 static irqreturn_t
-shark_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+shark_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
-        timer_tick(regs);
+        timer_tick();
         write_sequnlock(&xtime_lock);
         return IRQ_HANDLED;
 }
diff --git a/arch/arm/mach-shark/irq.c b/arch/arm/mach-shark/irq.c
index b227052296cf..297ecf130650 100644
--- a/arch/arm/mach-shark/irq.c
+++ b/arch/arm/mach-shark/irq.c
@@ -61,7 +61,7 @@ static void shark_enable_8259A_irq(unsigned int irq)
 
 static void shark_ack_8259A_irq(unsigned int irq){}
 
-static irqreturn_t bogus_int(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t bogus_int(int irq, void *dev_id)
 {
         printk("Got interrupt %i!\n",irq);
         return IRQ_NONE;
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index f2bbef07b1e4..2aa150b57ba1 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -77,12 +77,12 @@ static struct irq_chip sic_chip = {
 };
 
 static void
-sic_handle_irq(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+sic_handle_irq(unsigned int irq, struct irqdesc *desc)
 {
         unsigned long status = readl(VA_SIC_BASE + SIC_IRQ_STATUS);
 
         if (status == 0) {
-                do_bad_IRQ(irq, desc, regs);
+                do_bad_IRQ(irq, desc);
                 return;
         }
 
@@ -93,7 +93,7 @@ sic_handle_irq(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
                 irq += IRQ_SIC_START;
 
                 desc = irq_desc + irq;
-                desc_handle_irq(irq, desc, regs);
+                desc_handle_irq(irq, desc);
         } while (status);
 }
 
@@ -851,14 +851,14 @@ static unsigned long versatile_gettimeoffset(void)
 /*
  * IRQ handler for the timer
  */
-static irqreturn_t versatile_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t versatile_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
         // ...clear the interrupt
         writel(1, TIMER0_VA_BASE + TIMER_INTCLR);
 
-        timer_tick(regs);
+        timer_tick();
 
         write_sequnlock(&xtime_lock);
 
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 591fc3187c7f..465440592791 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -361,14 +361,14 @@ __ioremap(unsigned long phys_addr, size_t size, unsigned long flags)
 }
 EXPORT_SYMBOL(__ioremap);
 
-void __iounmap(void __iomem *addr)
+void __iounmap(volatile void __iomem *addr)
 {
 #ifndef CONFIG_SMP
         struct vm_struct **p, *tmp;
 #endif
         unsigned int section_mapping = 0;
 
-        addr = (void __iomem *)(PAGE_MASK & (unsigned long)addr);
+        addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long)addr);
 
 #ifndef CONFIG_SMP
         /*
@@ -395,6 +395,6 @@ void __iounmap(void __iomem *addr)
 #endif
 
         if (!section_mapping)
-                vunmap(addr);
+                vunmap((void __force *)addr);
 }
 EXPORT_SYMBOL(__iounmap);
diff --git a/arch/arm/oprofile/op_model_xscale.c b/arch/arm/oprofile/op_model_xscale.c
index 726ad2b3b435..7899d3ca75a3 100644
--- a/arch/arm/oprofile/op_model_xscale.c
+++ b/arch/arm/oprofile/op_model_xscale.c
@@ -341,7 +341,7 @@ static void inline __xsc2_check_ctrs(void)
         __asm__ __volatile__ ("mcr p14, 0, %0, c5, c1, 0" : : "r" (flag));
 }
 
-static irqreturn_t xscale_pmu_interrupt(int irq, void *arg, struct pt_regs *regs)
+static irqreturn_t xscale_pmu_interrupt(int irq, void *arg)
 {
         int i;
         u32 pmnc;
@@ -356,7 +356,7 @@ static irqreturn_t xscale_pmu_interrupt(int irq, void *arg, struct pt_regs *regs
                         continue;
 
                 write_counter(i, -(u32)results[i].reset_counter);
-                oprofile_add_sample(regs, i);
+                oprofile_add_sample(get_irq_regs(), i);
                 results[i].ovf--;
         }
 
diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c
index 06282dffbdc6..f530abdaa7a1 100644
--- a/arch/arm/plat-iop/time.c
+++ b/arch/arm/plat-iop/time.c
@@ -47,7 +47,7 @@ unsigned long iop3xx_gettimeoffset(void)
 }
 
 static irqreturn_t
-iop3xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+iop3xx_timer_interrupt(int irq, void *dev_id)
 {
         write_seqlock(&xtime_lock);
 
@@ -57,7 +57,7 @@ iop3xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
         while ((signed long)(next_jiffy_time - *IOP3XX_TU_TCR1)
                                                         >= ticks_per_jiffy) {
-                timer_tick(regs);
+                timer_tick();
                 next_jiffy_time -= ticks_per_jiffy;
         }
 
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 1bbb431843ce..bb045e5ddbd8 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -899,8 +899,7 @@ static int omap1_dma_handle_ch(int ch)
         return 1;
 }
 
-static irqreturn_t omap1_dma_irq_handler(int irq, void *dev_id,
-                                         struct pt_regs *regs)
+static irqreturn_t omap1_dma_irq_handler(int irq, void *dev_id)
 {
         int ch = ((int) dev_id) - 1;
         int handled = 0;
@@ -962,8 +961,7 @@ static int omap2_dma_handle_ch(int ch)
 }
 
 /* STATUS register count is from 1-32 while our is 0-31 */
-static irqreturn_t omap2_dma_irq_handler(int irq, void *dev_id,
-                                         struct pt_regs *regs)
+static irqreturn_t omap2_dma_irq_handler(int irq, void *dev_id)
 {
         u32 val;
         int i;
@@ -1220,8 +1218,7 @@ static void set_b1_regs(void)
         omap_writew(fi, OMAP1610_DMA_LCD_SRC_FI_B1_L);
 }
 
-static irqreturn_t lcd_dma_irq_handler(int irq, void *dev_id,
-                                       struct pt_regs *regs)
+static irqreturn_t lcd_dma_irq_handler(int irq, void *dev_id)
 {
         u16 w;
 
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index f55f99ae58ae..8162eed8b500 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -783,8 +783,7 @@ void omap_free_gpio(int gpio)
  * line's interrupt handler has been run, we may miss some nested
  * interrupts.
  */
-static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
-                             struct pt_regs *regs)
+static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc)
 {
         void __iomem *isr_reg = NULL;
         u32 isr;
@@ -882,7 +881,7 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
                                 continue;
                         }
 
-                        desc_handle_irq(gpio_irq, d, regs);
+                        desc_handle_irq(gpio_irq, d);
 
                         if (unlikely((d->status & IRQ_PENDING) && !d->depth)) {
                                 irq_mask = 1 <<
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index ade9a0fa6ef6..ec50008a2df6 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -96,7 +96,7 @@ static void omap_mcbsp_dump_reg(u8 id)
         DBG("***********************\n");
 }
 
-static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id)
 {
         struct omap_mcbsp * mcbsp_tx = (struct omap_mcbsp *)(dev_id);
 
@@ -106,7 +106,7 @@ static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id, struct pt_re
         return IRQ_HANDLED;
 }
 
-static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id)
 {
         struct omap_mcbsp * mcbsp_rx = (struct omap_mcbsp *)(dev_id);
 
diff --git a/arch/arm/plat-omap/timer32k.c b/arch/arm/plat-omap/timer32k.c
index cf6df3378d37..265310601161 100644
--- a/arch/arm/plat-omap/timer32k.c
+++ b/arch/arm/plat-omap/timer32k.c
@@ -194,8 +194,7 @@ unsigned long long sched_clock(void)
  * issues with dynamic tick. In the dynamic tick case, we need to lock
  * with irqsave.
  */
-static inline irqreturn_t _omap_32k_timer_interrupt(int irq, void *dev_id,
-                                        struct pt_regs *regs)
+static inline irqreturn_t _omap_32k_timer_interrupt(int irq, void *dev_id)
 {
         unsigned long now;
 
@@ -205,7 +204,7 @@ static inline irqreturn_t _omap_32k_timer_interrupt(int irq, void *dev_id,
         while ((signed long)(now - omap_32k_last_tick)
                                                 >= OMAP_32K_TICKS_PER_HZ) {
                 omap_32k_last_tick += OMAP_32K_TICKS_PER_HZ;
-                timer_tick(regs);
+                timer_tick();
         }
 
         /* Restart timer so we don't drift off due to modulo or dynamic tick.
@@ -218,19 +217,17 @@ static inline irqreturn_t _omap_32k_timer_interrupt(int irq, void *dev_id,
         return IRQ_HANDLED;
 }
 
-static irqreturn_t omap_32k_timer_handler(int irq, void *dev_id,
-                                        struct pt_regs *regs)
+static irqreturn_t omap_32k_timer_handler(int irq, void *dev_id)
 {
-        return _omap_32k_timer_interrupt(irq, dev_id, regs);
+        return _omap_32k_timer_interrupt(irq, dev_id);
 }
 
-static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id,
-                                            struct pt_regs *regs)
+static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id)
 {
         unsigned long flags;
 
         write_seqlock_irqsave(&xtime_lock, flags);
-        _omap_32k_timer_interrupt(irq, dev_id, regs);
+        _omap_32k_timer_interrupt(irq, dev_id);
         write_sequnlock_irqrestore(&xtime_lock, flags);
 
         return IRQ_HANDLED;